diff -r 6193e735f4d1 -r c4e57ec5f0df rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Fri Oct 11 09:58:03 2013 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon Oct 14 16:44:55 2013 +0200
@@ -153,6 +153,12 @@
             + "      throw 'Cannot initialize the bck2brwsr VM twice!';\n"
             + "    }\n"
             + "    vm.loadClass = loader.loadClass;\n"
+            + "    vm._reload = function(name, byteCode) {;\n"
+            + "      var attr = name.replace__Ljava_lang_String_2CC('.','_');\n"
+            + "      delete vm[attr];\n"
+            + "      return vm.org_apidesign_vm4brwsr_VMLazy(false).\n"
+            + "        reload__Ljava_lang_Object_2Ljava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2_3B(loader, name, args, byteCode);\n"
+            + "    };\n"
             + "    vm.loadBytes = function(name) {\n"
             + "      return vm.org_apidesign_vm4brwsr_VMLazy(false).\n"
             + "        loadBytes___3BLjava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2(loader, name, args);\n"